83638732 has 12 divisors (see below), whose sum is σ = 146467720. Its totient is φ = 41790816.

The previous prime is 83638727. The next prime is 83638733. The reversal of 83638732 is 23783638.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83638733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 12937.

Almost surely, 2^83638732 is an apocalyptic number.

It is an amenable number.

83638732 is a deficient number, since it is larger than the sum of its proper divisors (62828988).

83638732 is a wasteful number, since it uses less digits than its factorization.

83638732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14280 (or 14278 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 83638732 is about 9145.4213680945. The cubic root of 83638732 is about 437.3231624911.

The spelling of 83638732 in words is "eighty-three million, six hundred thirty-eight thousand, seven hundred thirty-two".